Agricultural tractor



FIG. 1 is a right front perspective view of the agricultural tractor showing our new design;

FIG. 2 is a left front perspective view thereof;

FIG. 3 is a left rear perspective view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a top view thereof. 

The ornamental design for an agricultural tractor, as shown and described. 